155051406321196 has 24 divisors (see below), whose sum is σ = 338293977428736. Its totient is φ = 60409638826320.

The previous prime is 155051406321157. The next prime is 155051406321209. The reversal of 155051406321196 is 691123604150551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251706828136 + ... + 251706828751.

It is an arithmetic number, because the mean of its divisors is an integer number (14095582392864).

Almost surely, 2^{155051406321196} is an apocalyptic number.

It is an amenable number.

155051406321196 is an abundant number, since it is smaller than the sum of its proper divisors (183242571107540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155051406321196 is a wasteful number, since it uses less digits than its factorization.

155051406321196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503413656909 (or 503413656907 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 155051406321196 in words is "one hundred fifty-five trillion, fifty-one billion, four hundred six million, three hundred twenty-one thousand, one hundred ninety-six".